Why must you quote an anti-Semitic statement by Truman to make your point? Truman was a racist. He used words like "wop" and "nigger," and called NYC "kike town." While such behavior was the normal for his day, I see no reason to now cite it with approval.
South African court throws out fraud case against opposition politician (Reuters)
from the article: Poll: Over 25% of Israeli Arabs say Holocaust never happened